Bryce Canyon

Read the story and answer the questions to test your comprehension.

Despite its name, the star of Bryce Canyon National Park isn't actually a canyon. It's a group of mountains full of "hoodoos," or structures formed by erosion, a combination of water and wind damage. These forces ate through the rock over thousands of years. Now Bryce Canyon has windows, paths and caves within its beautiful orange rock.

1. How many years did it take for erosion to eat through Bryce Canyon?